Exchange mailbox export to PST for Office365 migration

Some sites have really poor broadband connections meaning that it’s not going to be easy to move lots of email or mailboxes. Using these Exchange tools you can export mailboxes to PST from the server and then use the new Office365 PST import from a site with a good connection

Exchange 2010 export: https://blogs.technet.microsoft.com/sbs/2011/05/09/how-to-import-and-export-mailboxes-using-pst-files-in-sbs-2011-standard/

Office365 PST Import: https://support.office.com/en-gb/article/Use-network-upload-to-import-PST-files-to-Office-365-103f940c-0468-4e1a-b527-cc8ad13a5ea6?ui=en-US&rs=en-GB&ad=GB